diff --git a/freqtrade/tests/test_persistence.py b/freqtrade/tests/test_persistence.py
index 32fac11a0..a34d8c922 100644
--- a/freqtrade/tests/test_persistence.py
+++ b/freqtrade/tests/test_persistence.py
@@ -7,10 +7,12 @@ from sqlalchemy import create_engine
 from freqtrade.exchange import Exchanges
 from freqtrade.persistence import Trade, init, clean_dry_run_db
 
+
 @pytest.fixture(scope='function')
 def init_persistence(default_conf):
     init(default_conf)
 
+
 def test_init_create_session(default_conf, mocker):
     mocker.patch.dict('freqtrade.persistence._CONF', default_conf)